Conundrum Quartz Gemstone & Information | Gemopedia by JTV | Gemopedia™
While rock crystal quartz is easily identifiable, conundrum quartz is called so because it contains a mysterious blend of up to 7 different types of mineral inclusions. Looking into this crystal, you may think that you're taking in a view from outer space! These unique gems are a treat to collectors with their varied, sundry mix of mineral inclusions creating a completely different look for each stone. Take a loupe or microscope to these gems, and explore the confounding menagerie within.
Colorless, Purple, Brown With Various Colored Inclusions
Conundrum-quartz classificationCommonNameConundrum QuartzSpeciesQuartzVarietyConundrum QuartzColorsColorless, Purple, Brown With Various Colored InclusionsAlternateNamesSagenitic QuartzGemstoneGroupsKeySeparationsRefractive index, appearance, birefringence, optic character and optic figure. A bull's-eye optic figure is determinative for quartz; may also show Airy's spiral optic figure and Brazil-law twinning under crossed polarizing filters.ClassificationComments
Conundrum-quartz chemistry & crystallographyChemicalNamesilicon dioxide (aka silica)ChemicalFormulaSiO2SynthesisCrystalSystemTrigonalChemistryClassificationSilicateNatureNaturalCrystallinityCrystalline to AggregateChemistryComments
Conundrum-quartz optical propertiesTransparencyTransparent - TranslucentDispersionStrength: weak fire Value: 0.013OpticalCommentsRefractiveIndex1.544-1.553
Tolerance:very constantBirefringence0.009OpticCharacterBiaxialOpticSignPositivePolariscopeReactionDoubly Refractive (DR)FluorescenceSWUV: Inert
Conundrum-quartz characteristic physical propertiesHardness7CharacteristicCommentsStreakWhiteSpecificGravity2.64-2.69 Typical:2.66ToughnessGoodInclusionsConundrum quartz can contian liquid, two-phase and three-phase inclusions, negative crystals, minerals, needles, rutile, iron particles, cacoxenite, goethite and hematite. Stones will contain multiple mineral inclusions.LusterVitreousStabilityGoodFractureConchoidalCleavageNone